#mask{
	position:absolute;
	width:100%;
	height:100%; 
	top:0; left:0; 
	z-index:999999;
	background-image:url(../images/maskbg.png);
}
.mask{
	position:absolute;
	width:100%;
	height:100%; 
	top:0; left:0; 
	z-index:999999;
	background-image:url(../images/maskbg.png);
}